Specifications
Table 1-3: Triggering system (cont.)
Frequency
Counter
Resolution
6 d igits
Frequency
Counter Accuracy,
typical
±51 ppm including all reference errors and ±1 count errors.
Frequency
Counter
Frequency Range,
typical
AC coupled. 10 Hz minimum to rated bandwidth.
Pulse width or edge selected trigger source.Frequency
Counter Signal
Source
Frequency counter measures selected trigger source at all times in pulse width and edge mode, including
when oscilloscope acquisition is halted due to changes in run status, or acquisition of a single shot
event has completed.
Frequency counter does NOT measure pulses that do not qualify as legitimate trigger events.
Pulse Width mode: Counts pulses of sufficient magnitude inside the 250 ms measurement window
that qualify as triggerable events (for example, all narrow pulses in a PWM pulse train if set to < mode
and the limit is set to a relatively small number).
Edge Trigger mode: Counts all pulses of sufficient magnitude.
Display Specifications
Table 1-4: Display specifications
Characteristic Description
Display Type
11.5 cm (width) * 8.64 cm (height), 14.3 cm diagonal (5.7”), QVG A, active TFT color liquid crystal display
(LCD) with color characters/waveforms on a black background. Surface antiglare (3H) treatment.
This is the number of individually addressable pixels
320 horizontal by 240 vertical pixels
Display Resolution
The video display contains both the character and waveform displays.
This is the light output of the backlight.
Brightness, typical
400 cd/m
2
, typical. 320 cd/m
2
min.
Contrast Ratio and
Control, typical
Available black room contrast ratio, full black to full white. 400 minimum, 500 typical.
1–12 TBS1000 Series Oscilloscope Service Manual
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